Warning: Permanently added '10.128.1.77' (ED25519) to the list of known hosts.
[ 79.771936][ T4264] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1
[ 79.788887][ T4270] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1
[ 79.795848][ T4273] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9
[ 79.797681][ T4270] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1
[ 79.804378][ T4273] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 79.812377][ T4270] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9
[ 79.817871][ T4273] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9
[ 79.825449][ T4270] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9
[ 79.839384][ T4273] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 79.839670][ T4270] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9
[ 79.847594][ T4273] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9
[ 79.855181][ T4270] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 79.861780][ T4273] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1
[ 79.868240][ T4270] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4
[ 79.876496][ T4273] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9
[ 79.883037][ T4270] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4
[ 79.890360][ T4273] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9
[ 79.896293][ T4270] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4
[ 79.903030][ T4273] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 79.909879][ T4270] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3
[ 79.917912][ T4273] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4
[ 79.924612][ T4270] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3
[ 79.931613][ T4273] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2
[ 79.938461][ T4270] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3
[ 79.945107][ T4273] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 79.952088][ T4270] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2
[ 79.966481][ T48] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2
[ 79.966732][ T4270] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 80.028559][ T4270] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3
[ 80.036531][ T4270] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2
executing program
executing program
[ 185.256875][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 185.264106][ C1] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P4254/1:b..l
[ 185.272318][ C1] (detected by 1, t=10503 jiffies, g=8065, q=34 ncpus=2)
[ 185.279599][ C1] task:syz-executor196 state:R running task stack:25760 pid:4254 ppid:4249 flags:0x00004002
[ 185.291102][ C1] Call Trace:
[ 185.294416][ C1]
[ 185.297380][ C1] __schedule+0x10e9/0x40d0
[ 185.301959][ C1] ? verify_lock_unused+0x140/0x140
[ 185.307235][ C1] ? release_firmware_map_entry+0x18a/0x18a
[ 185.313190][ C1] ? lock_chain_count+0x20/0x20
[ 185.318094][ C1] ? preempt_schedule_irq+0xa6/0x150
[ 185.323614][ C1] preempt_schedule_irq+0xb1/0x150
[ 185.328882][ C1] ? preempt_schedule_notrace+0x110/0x110
[ 185.334660][ C1] ? rcu_is_watching+0x11/0xa0
[ 185.339621][ C1] ? rcu_irq_exit_check_preempt+0xdb/0x210
[ 185.345505][ C1] irqentry_exit+0x63/0x70
[ 185.350425][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 185.356461][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x32/0x60
[ 185.362664][ C1] Code: 24 98 81 7e 65 8b 15 25 98 81 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 1c 16 00 00 00 74 2c 8b 91 f8 15 00 00 <83> fa 02 75 21 48 8b 91 00 16 00 00 48 8b 32 48 8d 7e 01 8b 89 fc
[ 185.383217][ C1] RSP: 0018:ffffc90003ce7a60 EFLAGS: 00000246
[ 185.389954][ C1] RAX: ffffffff83c3317c RBX: 0000000000000081 RCX: ffff888018691dc0
[ 185.398139][ C1] RDX: 0000000000000000 RSI: 0000000000000081 RDI: ffff88806e754d00
[ 185.406138][ C1] RBP: 0000000000000000 R08: ffff888018691dc0 R09: 0000000000000002
[ 185.414313][ C1] R10: 000000000000002f R11: 0000000000000000 R12: ffffffff8c3d3b88
[ 185.422420][ C1] R13: dffffc0000000000 R14: ffff88806e754d00 R15: 0000000000000000
[ 185.430439][ C1] ? security_inode_permission+0xac/0xf0
[ 185.436299][ C1] security_inode_permission+0xac/0xf0
[ 185.441908][ C1] link_path_walk+0x280/0xe50
[ 185.446643][ C1] ? handle_lookup_down+0x130/0x130
[ 185.452205][ C1] path_lookupat+0x9d/0x440
[ 185.456856][ C1] filename_lookup+0x1f0/0x500
[ 185.461703][ C1] ? hashlen_string+0x110/0x110
[ 185.467081][ C1] ? strncpy_from_user+0x1e3/0x350
[ 185.472370][ C1] ? getname_flags+0x206/0x500
[ 185.477365][ C1] user_path_at_empty+0x3e/0x60
[ 185.482344][ C1] __x64_sys_umount+0xf1/0x160
[ 185.487251][ C1] ? path_umount+0xf80/0xf80
[ 185.491941][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 185.497298][ C1] do_syscall_64+0x4c/0xa0
[ 185.501878][ C1] ? clear_bhb_loop+0x60/0xb0
[ 185.506705][ C1] ? clear_bhb_loop+0x60/0xb0
[ 185.511437][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 185.517478][ C1] RIP: 0033:0x7f5376f33af7
[ 185.522063][ C1] RSP: 002b:00007ffd8c582718 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 185.530822][ C1] RAX: ffffffffffffffda RBX: 00007f5376f8a0ae RCX: 00007f5376f33af7
[ 185.538924][ C1] RDX: 00007f5376f31617 RSI: 0000000000000002 RDI: 00007f5376f8a1ae
[ 185.546952][ C1] RBP: 00007f5376f8a19e R08: 0000000000000000 R09: 00007ffd8c5828f0
[ 185.555509][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5376f9033c
[ 185.564001][ C1] R13: 00007f5376f8a106 R14: 0000000000000000 R15: 0000000000000001
[ 185.572226][ C1]
[ 185.575449][ C1] rcu: rcu_preempt kthread starved for 10533 jiffies! g8065 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 185.586701][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 185.596989][ C1] rcu: RCU grace-period kthread stack dump:
[ 185.602952][ C1] task:rcu_preempt state:R running task stack:27840 pid:16 ppid:2 flags:0x00004000
[ 185.613881][ C1] Call Trace:
[ 185.617223][ C1]
[ 185.620216][ C1] __schedule+0x10e9/0x40d0
[ 185.624780][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 185.630030][ C1] ? _raw_spin_unlock+0x40/0x40
[ 185.634932][ C1] ? release_firmware_map_entry+0x18a/0x18a
[ 185.641008][ C1] schedule+0xb9/0x180
[ 185.645134][ C1] schedule_timeout+0x15c/0x280
[ 185.650058][ C1] ? console_conditional_schedule+0x40/0x40
[ 185.655999][ C1] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 185.662035][ C1] ? update_process_times+0x1b0/0x1b0
[ 185.667471][ C1] ? prepare_to_swait_event+0x335/0x350
[ 185.673067][ C1] rcu_gp_fqs_loop+0x2f2/0x1310
[ 185.677966][ C1] ? rcu_gp_kthread+0x380/0x380
[ 185.682852][ C1] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 185.688894][ C1] ? rcu_gp_init+0x14b0/0x14b0
[ 185.693819][ C1] ? rcu_gp_cleanup+0xb4c/0xca0
[ 185.698812][ C1] ? _raw_spin_unlock_irq+0x1f/0x40
[ 185.704142][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 185.709408][ C1] rcu_gp_kthread+0x95/0x380
[ 185.714537][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 185.719783][ C1] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 185.726296][ C1] ? __kthread_parkme+0x162/0x1c0
[ 185.731514][ C1] kthread+0x29d/0x330
[ 185.735666][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 185.740827][ C1] ? kthread_blkcg+0xd0/0xd0
[ 185.745586][ C1] ret_from_fork+0x1f/0x30
[ 185.750108][ C1]
[ 185.753250][ C1] rcu: Stack dump where RCU GP kthread last ran:
[ 185.759719][ C1] Sending NMI from CPU 1 to CPUs 0:
[ 185.764968][ C0] NMI backtrace for cpu 0
[ 185.764993][ C0] CPU: 0 PID: 4276 Comm: syz-executor196 Not tainted 6.1.140-syzkaller #0
[ 185.765011][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 185.765021][ C0] RIP: 0010:__lock_acquire+0x38c/0x7c50
[ 185.765051][ C0] Code: 8d a4 c1 e0 0a 00 00 48 8d 8c c1 00 0b 00 00 48 89 4c 24 18 48 c1 e9 03 48 89 4c 24 50 42 0f b6 04 01 84 c0 0f 85 1f 63 00 00 <4c> 8b 75 18 b8 00 e0 ff ff 41 23 44 24 20 41 81 e7 ff 1f 00 00 44
[ 185.765065][ C0] RSP: 0018:ffffc90003d777c0 EFLAGS: 00000046
[ 185.765080][ C0] RAX: 0000000000000000 RBX: ffff88802f68c0d8 RCX: 1ffff1100fb2a160
[ 185.765093][ C0] RDX: 00000000000000a2 RSI: 0000000000000000 RDI: ffff88802f68c0d8
[ 185.765104][ C0] RBP: ffffc90003d77a10 R08: dffffc0000000000 R09: 0000000000000001
[ 185.765115][ C0] R10: fffffbfff1bfd006 R11: 1ffffffff1bfd005 R12: ffff88807d950ae0
[ 185.765128][ C0] R13: 0000000000000000 R14: ffff88807d950ad8 R15: 00000000000000a2
[ 185.765139][ C0] FS: 000055556d1473c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
[ 185.765154][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 185.765166][ C0] CR2: 000020000006b000 CR3: 0000000029d40000 CR4: 00000000003506f0
[ 185.765180][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 185.765190][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 185.765200][ C0] Call Trace:
[ 185.765207][ C0]
[ 185.765220][ C0] ? ktime_get+0x7b/0x270
[ 185.765242][ C0] ? ktime_get+0x7b/0x270
[ 185.765258][ C0] ? ktime_get+0x7b/0x270
[ 185.765274][ C0] ? verify_lock_unused+0x140/0x140
[ 185.765296][ C0] ? seqcount_lockdep_reader_access+0x15c/0x1c0
[ 185.765324][ C0] lock_acquire+0x1b4/0x490
[ 185.765345][ C0] ? dequeue_signal+0x1cd/0x4b0
[ 185.765369][ C0] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 185.765396][ C0] ? read_lock_is_recursive+0x10/0x10
[ 185.765418][ C0] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 185.765449][ C0] ? _raw_spin_unlock+0x40/0x40
[ 185.765472][ C0] ? posixtimer_rearm+0x131/0x340
[ 185.765496][ C0] _raw_spin_lock+0x2a/0x40
[ 185.765518][ C0] ? dequeue_signal+0x1cd/0x4b0
[ 185.765539][ C0] dequeue_signal+0x1cd/0x4b0
[ 185.765561][ C0] ? __might_fault+0xa6/0x120
[ 185.765581][ C0] get_signal+0x547/0x1350
[ 185.765612][ C0] arch_do_signal_or_restart+0xb0/0x1230
[ 185.765634][ C0] ? __ia32_sys_rt_sigreturn+0x660/0x790
[ 185.765657][ C0] ? load_gs_index+0x120/0x120
[ 185.765677][ C0] ? get_sigframe_size+0x10/0x10
[ 185.765704][ C0] ? exit_to_user_mode_loop+0x3b/0x110
[ 185.765730][ C0] exit_to_user_mode_loop+0x70/0x110
[ 185.765754][ C0] exit_to_user_mode_prepare+0xb1/0x140
[ 185.765778][ C0] syscall_exit_to_user_mode+0x16/0x40
[ 185.765794][ C0] do_syscall_64+0x58/0xa0
[ 185.765815][ C0] ? clear_bhb_loop+0x60/0xb0
[ 185.765831][ C0] ? clear_bhb_loop+0x60/0xb0
[ 185.765847][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 185.765873][ C0] RIP: 0033:0x7f5376f3191a
[ 185.765887][ C0] Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 e3 6a 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 43 6b 02 00 8b 44 24
[ 185.765899][ C0] RSP: 002b:00007ffd8c582540 EFLAGS: 00000293
[ 185.765912][ C0] RAX: fffffffffffffff7 RBX: 0000000000000006 RCX: 00007f5376f3191a
[ 185.765924][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 185.765933][ C0] RBP: 0000000000000000 R08: 00007f5376ef2990 R09: 00007f5376ef2990
[ 185.765944][ C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f5376f9033c
[ 185.765955][ C0] R13: 00007f5376f8a106 R14: 00007ffd8c582590 R15: 0000000000000000
[ 185.765971][ C0]
[ 185.765978][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.016 msecs